function fnGetObject(sId) {
	if (document.all) 
		return document.all(sId)
	else if (document.getElementById) 
		return document.getElementById(sId)
	else if (document.layers) 
		return document.layers[sId]
	else
		return false;
}

function fnChangeDisplay() {
	for (var i=0; i < fnChangeDisplay.arguments.length; i++)
	{
		var elemID = fnChangeDisplay.arguments[i];
		var oDiv = fnGetObject(elemID);	
		oDiv.style.display = (oDiv.style.display=='none')?('inline'):('none');
	}
}

function lib_bwcheck() { 
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	this.px = this.ns4||window.opera?"":"px";
	return this
}